/Engine/Source/Runtime/NullDrv/Public/NullRHI.h
virtual void RHICopyTexture ( [FRHITexture](API\Runtime\RHI\FRHITexture) * SourceTexture, [FRHITexture](API\Runtime\RHI\FRHITexture) * DestTexture, const [FRHICopyTextureInfo](API\Runtime\RHI\FRHICopyTextureInfo) & CopyInfo )